changed the namevar from deviceid to netconnectionid

it is difficult to identify network adapters based on deviceid
particularly on multi-homed systems.

instead we will use the netconnectionid, which defaults to
local area connection or ethernet on windows 2008 and 2012
respectively.

additional cleanup is necessary as this is just a preliminary
code change.
resolve syntax error in type 'ipconfig'

addresses:

    ParserSyntaxError: syntax error in
    `modules/puppet-windowsnetwork/spec/unit/puppet/type/ipconfig.rb`:(11,6):
    syntax error, unexpected $end, expecting keyword_end

Signed-off-by: Paul Morgan <jumanjiman@gmail.com>